code: def test_define_few_variables(self):
      for exp in self.get_experiments(flush_period=0.5):
          with self.subTest(msg=f"For type {exp.container_type}"):
              exp.define("some/path/num", Float(3))
              exp.define(
                  "some/path/text", String("Some text"), wait=True
              )
              self.assertEqual(
                  exp.get_structure()["some"]["path"]["num"].fetch(), 3
              )
              self.assertEqual(
                  exp.get_structure()["some"]["path"]["text"].fetch(),
                  "Some text",
              )
  
imports: import os
  import unittest
  from datetime import datetime
  from neptune import ANONYMOUS_API_TOKEN, Run, init_model, init_model_version, init_project, init_run
  from neptune.envs import API_TOKEN_ENV_NAME, PROJECT_ENV_NAME
  from neptune.exceptions import InactiveModelException, InactiveModelVersionException, InactiveProjectException, InactiveRunException, MetadataInconsistency, NeptuneProtectedPathException
  from neptune.metadata_containers import Model, ModelVersion, Project
  from neptune.types.atoms.float import Float
  from neptune.types.atoms.string import String
  from neptune.types.series import FloatSeries, StringSeries
label_desc: Use image node_id 5 for calling the TestExperiment obj's underlying member method code with example usage: obj.test_define_few_variables() without return types